lashon027 lashon027

19-03-2022
Mathematics

contestada

Find the lengths of the missing sides if side a is opposite angle A, side b is opposite angle B, and side c is the hypotenuse.
cos(B) = 4/5 a=90

Respuesta :

zsm2800 zsm2800

19-03-2022

Answer:

Step-by-step explanation:

cosB = a/c = 4/5

so c = 5a/4 = 5*90/4 = 112.5

b² = c² - a² = 112.5² - 90² = 4556.25

b = 67.5

Answer Link

Otras preguntas

how to write 33/100 as a decimal

How would you solve 5- 16 tenths

What's the estimate of 204,878

In literature, what is the increase of tension within a story that drives the plot toward the climax? a. Dénouement b. Rising action c. Exposition d. Confli

find the midpoint 80 90

Serena parachutes from a plane at a height of 20,000 ft. above sea level. Several minutes later she notes from an instrument on her wrist that she had dropped 1

2783 and 7283. The value of 2 in ____ is ____times the value of 2 in_____.

Why do liquids flow? A. Liquid particles are wet. B. Liquid particles are smooth. C. Liquid particles are not fixed in place. D. Liquid particles are attra

use pictures numbers and words to explain another way to say 6500

The point (21,32) is on the line with the slope 1.5 A. Find the equation of the line B. Find the coordinates of another point on the line